| 发明名称 |
Process for beneficiating Minnesota kaolin |
| 摘要 |
A process for increasing the brightness of Minnesota kaolin clay containing chlorite and siderite mineral impurities comprising treating the clay with a strong mineral acid preferably in combination with magnetic separation.
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| 申请公布号 |
US5376605(A) |
申请公布日期 |
1994.12.27 |
| 申请号 |
US19930126022 |
申请日期 |
1993.09.24 |
| 申请人 |
AQUAFINE CORPORATION |
发明人 |
IANNICELLI, JOSEPH;PECHIN, JOSEPH E. |
| 分类号 |
C04B33/10;(IPC1-7):C04B33/04 |
主分类号 |
C04B33/10 |
| 代理机构 |
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